Home / 5,099.28-7,648.94-1,401.56

Finding the Fourth Proportional to 5,099.28, 7,648.94 and 1,401.56

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Solution

The fourth proportional to 5,099.28, 7,648.94 and 1,401.56 is: 2,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.28 : 7,648.94 = 1,401.56 : x
  2. Step 2: Convert to fraction form
    5,099.28/7,648.94 = 1,401.56/x
  3. Step 3: Cross multiply
    5,099.28x = 7,648.94 × 1,401.56
  4. Step 4: Simplify right side
    5,099.28x = 10,720,448.35
  5. Step 5: Solve for x
    x = 10,720,448.35/5,099.28
  6. Step 6: Final answer
    x = 2,102.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.